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1.1 This test method specifies a laboratory procedure for the determination of the water retention curve (or moisture storage capacity) of porous building materials at very high relative humidity (RH) levels (≈ 95 to 100% RH) corresponding to the capillary moisture region of the sorption isotherm. This is achieved by using the pressure plate test apparatus. This technique was originally developed to study soil moisture content and eventually had been adapted to building construction materials.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2015-05-01 |
| ICS | 91.100.10 : Cement. Gypsum. Lime. Mortar |
| Number of pages | 4 |
| Replace | ASTM C1699-09 |
| Set | ASTMVOL0406 |
| Year | 2009 |
| Document history | ASTM C1699-09 |
| Country | USA |
| Keyword | ASTM 1699;ASTM C1699;ASTM C1699;10.1520/C1699-09R15 |